/* style.css - Luxury LUKCAR CNC Wheel Lab Styling */

:root {
  --bg-studio: #ffffff;
  --bg-panel: rgba(255, 255, 255, 0.85);
  --bg-panel-heavy: rgba(255, 255, 255, 0.98);
  --text-primary: #000000;
  --text-secondary: #555555;
  --border-primary: rgba(0, 0, 0, 0.1);
  --border-accent: rgba(212, 175, 55, 0.3);
  --accent-blue: #D4AF37; /* LUKCAR Gold */
  --accent-violet: #B8860B; /* Dark Gold */
  --scrollbar-thumb: rgba(0, 0, 0, 0.2);
  --input-bg: rgba(0, 0, 0, 0.05);
  --glow-shadow: 0 0 20px rgba(212, 175, 55, 0.25);
  --violet-glow-shadow: 0 0 20px rgba(184, 134, 11, 0.25);
}

.dark {
  --bg-studio: #000000;
  --bg-panel: rgba(15, 15, 15, 0.7);
  --bg-panel-heavy: rgba(10, 10, 10, 0.9);
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --border-primary: rgba(255, 255, 255, 0.1);
  --border-accent: rgba(212, 175, 55, 0.4);
  --accent-blue: #D4AF37; /* LUKCAR Gold */
  --accent-violet: #B8860B; /* Dark Gold */
  --scrollbar-thumb: rgba(255, 255, 255, 0.2);
  --input-bg: rgba(255, 255, 255, 0.1);
  --glow-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
  --violet-glow-shadow: 0 0 20px rgba(184, 134, 11, 0.3);
}

/* Force 100vh Full Viewport lock to prevent any global page scrollbars */
html, body {
  height: 100dvh;
  min-height: 100dvh;
  margin: 0;
  padding: 0;
  overflow: hidden !important;
  background-color: var(--bg-studio);
  font-family: 'Inter', 'Montserrat', 'Helvetica Neue', sans-serif;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  /* Optional: Smooth scrolling for the landing page */
  scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6, .font-serif {
  font-family: 'Inter', 'Montserrat', 'Helvetica Neue', sans-serif !important;
  letter-spacing: -0.02em;
}

/* Glassmorphism premium panels */
.glass-panel {
  background: var(--bg-panel);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-primary);
  transition: background 0.3s ease, border-color 0.3s ease;
}

.glass-panel-heavy {
  background: var(--bg-panel-heavy);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  border: 1px solid var(--border-accent);
  transition: background 0.3s ease, border-color 0.3s ease;
}

/* Theme helper colors */
.text-theme-primary {
  color: var(--text-primary);
}
.text-theme-secondary {
  color: var(--text-secondary);
}
.border-theme-primary {
  border-color: var(--border-primary);
}

/* Accent Glow Texts */
.glow-text-cyan {
  text-shadow: 0 0 10px var(--accent-blue);
}

.glow-text-violet {
  text-shadow: 0 0 10px var(--accent-violet);
}

/* Sleek custom internal scrollbar rules */
.custom-scrollbar {
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) transparent;
}

.custom-scrollbar::-webkit-scrollbar {
  width: 4.5px;
  height: 4.5px;
}

.custom-scrollbar::-webkit-scrollbar-track {
  background: transparent;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 9999px;
  transition: background 0.2s ease;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background: var(--accent-blue);
}

/* Base animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes sweepLine {
  0% {
    top: -5%;
  }
  50% {
    top: 105%;
  }
  100% {
    top: -5%;
  }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: var(--glow-shadow);
    border-color: var(--border-accent);
  }
  50% {
    box-shadow: 0 0 24px var(--accent-blue);
    border-color: var(--accent-blue);
  }
}

@keyframes pulseViolet {
  0%, 100% {
    box-shadow: var(--violet-glow-shadow);
    border-color: var(--border-accent);
  }
  50% {
    box-shadow: 0 0 24px var(--accent-violet);
    border-color: var(--accent-violet);
  }
}

/* Scan line overlay */
.laser-scan-effect {
  position: absolute;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, transparent, var(--accent-blue), var(--accent-violet), var(--accent-blue), transparent);
  box-shadow: 0 0 15px var(--accent-blue), 0 0 8px var(--accent-violet);
  animation: sweepLine 3.2s ease-in-out infinite;
  z-index: 35;
  pointer-events: none;
}

/* Paywall CTA pulses */
.pulse-cyan-glow {
  animation: pulseGlow 2.2s infinite ease-in-out;
}

.pulse-violet-glow {
  animation: pulseViolet 2.2s infinite ease-in-out;
}

.animate-fade-in {
  animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-zoom-in {
  animation: zoomIn 0.32s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* Custom styled range slider inputs */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: var(--input-bg);
  border-radius: 999px;
  height: 4px;
  transition: background 0.3s ease;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-blue);
  box-shadow: 0 0 10px var(--accent-blue);
  cursor: pointer;
  transition: transform 0.12s ease, background-color 0.3s ease;
  border: none;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.3);
}

/* Particle sparks floating */
@keyframes particleFloat {
  0% {
    transform: translateY(0) scale(1);
    opacity: 0;
  }
  50% {
    opacity: 0.8;
  }
  100% {
    transform: translateY(-60px) scale(0.7);
    opacity: 0;
  }
}

.sparkle-particle {
  animation: particleFloat 2.8s ease-out infinite;
}

/* Drawer slide-in animation */
@keyframes slideInRight {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

.animate-slide-in-right {
  animation: slideInRight 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Print styles for CNC Order form & Invoice */
@media print {
  body * {
    visibility: hidden;
  }
  #lukcar-printable-receipt, #lukcar-printable-receipt * {
    visibility: visible;
  }
  #lukcar-printable-receipt {
    position: absolute;
    left: 0;
    top: 0;
    width: 100% !important;
    height: auto !important;
    background: #000000 !important;
    color: #ffffff !important;
    box-shadow: none !important;
    border: none !important;
  }
}

/* Glowing point animation for blueprint connectors */
@keyframes wheelPulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 8px var(--accent-blue);
  }
  50% {
    transform: scale(1.15);
    box-shadow: 0 0 18px var(--accent-blue);
  }
}

.chassis-point-pulse {
  animation: wheelPulse 1.6s infinite ease-in-out;
}

/* Interactive fitment canvas workspace */
.fitment-workspace {
  position: relative;
  background: radial-gradient(circle at center, var(--bg-panel-heavy) 0%, var(--bg-studio) 100%);
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.8);
}

/* iOS Safe Areas Bottom Navigation Padding */
.pb-safe {
  padding-bottom: env(safe-area-inset-bottom);
}


.light .fitment-workspace {
  background: radial-gradient(circle at center, #ffffff 0%, #e2e8f0 100%) !important;
}
.light .fitment-workspace img[alt="Concept Car"] {
  filter: brightness(1.05) contrast(1.02);
}

/* Premium Buttons (Gradient, Shimmer, Rounded) */
.btn-premium {
  position: relative;
  overflow: hidden;
  border-radius: 6px; /* Bo góc nhẹ */
  background: linear-gradient(135deg, var(--accent-blue) 0%, rgba(212, 175, 55, 0.6) 100%);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.btn-premium::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.5), transparent);
  transform: skewX(-20deg);
  transition: all 0.6s ease;
}

.btn-premium:hover::after {
  left: 150%;
}

.btn-premium:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-shadow);
}

.btn-premium:disabled,
.btn-premium:disabled:hover {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.btn-premium:disabled::after {
  display: none;
}

.btn-premium-light {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  background: linear-gradient(135deg, #ffffff 0%, #d4d4d4 100%);
  color: #000000;
  border: 1px solid rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.btn-premium-light::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.9), transparent);
  transform: skewX(-20deg);
  transition: all 0.6s ease;
}

.btn-premium-light:hover::after {
  left: 150%;
}

.btn-premium-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.15);
}

.btn-premium-light:disabled,
.btn-premium-light:disabled:hover {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.btn-premium-light:disabled::after {
  display: none;
}